zex comp cams 105100 stage 1street cam, had it in my car its a great cam, added lots of low end, i opted for the stage2 cam so i have this one still in the box with the instructions and spec sheet and plastic!.. i would say it has about 10 miles on it. its basically broken in for u thats about it !! drop it in and go.. its for a d16y8, im giving it away FREEE just $150 shipping and its yours !!